CET-BIOLOGY-JNK-2008

CET-BIOLOGY-JNK-2008
1. Stem is modified into cladode :
  • Casuarina
  • Asparagus
  • Opuntia
  • Euphorbia
Show Answer
2. A simple one seeded fruit in which pericarp is fused with seed coat is :
  • Achene
  • Caryopsis
  • Cypsela
  • Nut
Show Answer
3. The portion of DNA which contains information for an entire polypeptide is called :
  • Cistron
  • Muton
  • Recon
  • Operon
Show Answer
4. Bicarpellary, syncarpous ovary with axile placentation is seen in :
  • Solanaceae
  • Caesalpinaceae
  • Asteraceae
  • Malvaceae
Show Answer
5. Alburnum is also called :
  • Autumn wood
  • Heart wood
  • Sap wood
  • Spring wood
Show Answer
6. The entry of pollen tube into the ovule through micropyle is called :
  • Porogamy
  • Mesogamy
  • Anisogamy
  • Chalazogamy
Show Answer
7. Type of pollination in Commelina is :
  • Chasmogamy
  • Geitonogamy
  • Xenogamy
  • Cleistogamy
Show Answer
8. The process of embryo formation without fertilization is known as :
  • Apospory
  • Apogamy
  • Parthenocarpy
  • Polyembryony
Show Answer
9. Which of the process Cholodny-Went theory is concerned with ?
  • Photomorphogenesis
  • Photoperiodism
  • Phototropism
  • Photorespiration
Show Answer
10. The hormone present in the liquid endosperm of coconut is :
  • Cytokinin
  • Gibberellin
  • Ethylene
  • Auxin
Show Answer
Questions and Answers for Competitive Exams Various Entrance Test